| long(adjective, endless, protracted, incessant, long-winded) |
| long-drawn-out(adjective, endless, protracted, incessant, long-winded) |
| long-winded(adjective, endless, protracted, incessant, ceaseless) |
| looped(adjective, steady, stable, regular, endless) |
| monotonous(adjective, constant, abundant, unrestrained, infinite) |
| multitudinous(adjective, constant, abundant, unrestrained, infinite) |
| never-ending(adjective, endless, immense, infinite, boundless) |
| no catch(expression, adjective, endless, immense, infinite) |
| no holds barred(expression, adjective, idiom, endless, immense) |
| no strings(expression, adjective, complete, unrestrained, endless) |
| no strings attached(expression, adjective, idiom, endless, immense) |
| not finishing(expression, adjective, constant, monotonous, infinite) |
| not stopping(expression, adjective, constant, monotonous, infinite) |
| numberless(adjective, absolute, immense, infinite, unfathomable) |
| on a treadmill(expression, adjective, idiom, endless, infinite) |
| overlong(adjective, constant, abundant, unrestrained, infinite) |
| permanent(adjective, endless, infinite, boundless, protracted) |
| perpetual(adjective, steady, constant, endless, infinite) |
| self-perpetuating(adjective, constant, abundant, unrestrained, infinite) |
| spun out(expression, adjective, free, endless, infinite) |